package com.mmall.service;

import com.google.common.base.Preconditions;
import com.mmall.beans.PageQuery;
import com.mmall.beans.PageResult;
import com.mmall.common.RequestHolder;
import com.mmall.dao.SysAclMapper;
import com.mmall.exception.ParamException;
import com.mmall.model.SysAcl;
import com.mmall.param.AclParam;
import com.mmall.util.BeanValidator;
import com.mmall.util.IpUtil;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

/**
 * @Auther 19135
 * @Date 2019/3/26 21:05
 * @Description ${end}$
 */
@Service
public class SysAclService {

	@Resource
	private SysAclMapper sysAclMapper;

	@Resource
	private SysLogService sysLogService;

	public void save(AclParam param) {
		BeanValidator.check(param);
		if (checkExist(param.getAclModuleId(), param.getName(), param.getId())) {
			throw new ParamException("当前权限模块下面存在相同名称的权限点");
		}
		SysAcl acl = SysAcl.builder().name(param.getName()).aclModuleId(param.getAclModuleId()).url(param.getUrl())
				.type(param.getType()).status(param.getStatus()).seq(param.getSeq()).remark(param.getRemark()).build();
		acl.setCode(generateCode());
		acl.setOperator(RequestHolder.getCurrentUser().getUsername());
		acl.setOperateTime(new Date());
		acl.setOperateIp(IpUtil.getRemoteIp(RequestHolder.getCurrentRequest()));
		sysAclMapper.insertSelective(acl);
		sysLogService.saveAclLog(null, acl);
	}

	public void update(AclParam param){
		BeanValidator.check(param);
		if (checkExist(param.getAclModuleId(), param.getName(), param.getId())) {
			throw new ParamException("当前权限模块下面存在相同名称的权限点");
		}
		SysAcl before = sysAclMapper.selectByPrimaryKey(param.getId());
		Preconditions.checkNotNull(before, "待更新的权限点不存在");

		SysAcl after = SysAcl.builder().id(param.getId()).name(param.getName()).aclModuleId(param.getAclModuleId()).url(param.getUrl())
				.type(param.getType()).status(param.getStatus()).seq(param.getSeq()).remark(param.getRemark()).build();
		after.setOperator(RequestHolder.getCurrentUser().getUsername());
		after.setOperateTime(new Date());
		after.setOperateIp(IpUtil.getRemoteIp(RequestHolder.getCurrentRequest()));

		sysAclMapper.updateByPrimaryKeySelective(after);
		sysLogService.saveAclLog(before, after);
	}



	public boolean checkExist(int aclModuleId, String name, Integer id) {
		return sysAclMapper.countByNameAndAclModuleId(aclModuleId, name, id) > 0;
	}

	public String generateCode() {
		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
		return dateFormat.format(new Date()) + "_" + (int)(Math.random() * 100);
	}

	public PageResult<SysAcl> getPageByAclModuleId(int aclModuleId, PageQuery page){
		BeanValidator.check(page);
		int count = sysAclMapper.countByAclModuleId(aclModuleId);
		if (count > 0) {
			List<SysAcl> aclList = sysAclMapper.getPageByAclModuleId(aclModuleId, page);
			return PageResult.<SysAcl>builder().data(aclList).total(count).build();
		}
		return PageResult.<SysAcl>builder().build();
	}

}
